AM_Carbonate-fluorapatite_3
Formula: Ca2.176 P1.488 O8.973 F.169
Name: Carbonate-fluorapatite
Unit cell: 9.3708 9.3708 6.888 90.0 90.0 120.0 , V=523.81
Space group: P63/M (176)

Perdikatsis B , Materials Science Forum , 79 (1991) p.809-814, X-ray powder diffraction study of francolite by the Rietveld method, Locality: Epirus, Greece, Sample: T = 1200 C, Note: Reported structure does not reproduce reported formula or bondlengths